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Recovering nutrients, water and energy from domestic waste streams, including wastewater and faecal sludge, is slowly gaining momentum in low-income countries. Resource recovery and reuse (RRR) offers value beyond environmental benefits through cost recovery. An expected game changer in sanitatio...


Rao, Krishna C.Otoo, MiriamDrechsel, PayHanjra, Munir A.[Resource recovery and reuse as an incentive for a more viable sanitation service chain]Resource recovery and reuse as an incentive for a more viable sanitation service chain

Background: In Addis Ababa, where irrigation water for vegetable production is commonly derived from the highly polluted Akaki river, information on microbial contamination of water and irrigated vegetable is scanty. An assessment was done to determine the microbiological quality of irrigation wa...


Woldetsadik, D.Drechsel, PayKeraita, Bernard N.Itanna, F.Erko, B.Gebrekidan, H.[Microbiological quality of lettuce (Lactuca sativa) irrigated with wastewater in Addis Ababa, Ethiopia and effect of green salads washing methods]Microbiological quality of lettuce (Lactuca sativa) irrigated with wastewater in Addis Ababa, Ethiopia and effect of green salads washing methods
Mateo-Sagasta, JavierDrechsel, Pay[Water reuse in Africa and the sustainable development goals]Water reuse in Africa and the sustainable development goals

Irrigation using untreated wastewater poses health risks to farmers and consumers of crop products, especially vegetables. With hardly any wastewater treatment in Ghana, a multiple-barrier approach was adopted and safe re-use practices were developed through action research involving a number of ...


Keraita, Bernard N.Abaidoo, R.C.Beernaerts, InesKoo-Oshima, SashaAmoah, PhilipDrechsel, PayKonradsen, Flemming[Safe re-use practices in wastewater-irrigated urban vegetable farming in Ghana.]Safe re-use practices in wastewater-irrigated urban vegetable farming in Ghana.

When urban areas expand without concomitant increases in wastewater treatment capacity, vast quantities of wastewater are released to surface waters with little or no treatment. Downstream of many urban areas are large areas of irrigated croplands reliant on these same surface water sources. Case...


Thebo, Anne LouiseDrechsel, PayLambin, EricNelson, Kara[A global, spatially-explicit assessment of irrigated croplands influenced by urban wastewater flows]A global, spatially-explicit assessment of irrigated croplands influenced by urban wastewater flows

Most cities in developing countries fail to treat their wastewater comprehensively. Consequently, farmers downstream use poor-quality water for irrigation. This practice implies risks for farmers, consumers and the environment. Conversely, this water supply supports the livelihood of these farmer...


Saldias, C.Speelman, S.Drechsel, PayHuylenbroeck, G. van[A livelihood in a risky environment: farmers’ preferences for irrigation with wastewater in Hyderabad, India]A livelihood in a risky environment: farmers’ preferences for irrigation with wastewater in Hyderabad, India

There is a proactive interest in recovering water, nutrients and energy from waste streams with the increase in municipal wastewater volumes and innovations in resource recovery. Based on the synthesis of wastewater data, this study provides insights into the global and regional “potential” of wa...


Qadir, ManzoorDrechsel, PayCisneros, B.J.Kim, Y.Pramanik, A.Mehta, P.Olaniyan, O.[Global and regional potential of wastewater as a water, nutrient and energy source]Global and regional potential of wastewater as a water, nutrient and energy source

When urban areas expand without concomitant increases in wastewater treatment capacity, vast quantities of wastewater are released to surface waters with little or no treatment. Downstream of many urban areas are large areas of irrigated croplands reliant on these same surface water sources. Case...


Thebo, A.L.Drechsel, PayLambin, E.F.Nelson, K.L.[A global, spatially-explicit assessment of irrigated croplands influenced by urban wastewater flows]A global, spatially-explicit assessment of irrigated croplands influenced by urban wastewater flows

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